Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition

Mitsuharu Matsumoto, Shuji Hashimoto

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    This paper describes an algorithm for internal noise reduction from dependent mixtures of microphones and a piezoelectric device under blind condition. The features of our approach are summarized as follows: (1) The proposed method handles internal noise reduction of the acoustical array combining microphones and a piezoelectric device in the time domain. (2) It can reduce the internal noise from each microphone even when the number of the sounds and noise is larger than that of the acoustical sensors. (3) It does not utilize the statistical independence of the sounds. The sounds may be not only the statistically independent but may also he statistically dependent. (4) It handles the partially disjoint sounds in the time domain. The sounds may overlap in the frequency domain. (5) It does not require to estimate the intervals when sounds are disjoint. We formulate the problem and show the methodology of the proposed method. Experimental results are also demonstrated to confirm the effectiveness of the proposed method.

    Original languageEnglish
    Title of host publicationProceedings - IEEE International Symposium on Circuits and Systems
    Pages2141-2144
    Number of pages4
    DOIs
    Publication statusPublished - 2009
    Event2009 IEEE International Symposium on Circuits and Systems, ISCAS 2009 - Taipei
    Duration: 2009 May 242009 May 27

    Other

    Other2009 IEEE International Symposium on Circuits and Systems, ISCAS 2009
    CityTaipei
    Period09/5/2409/5/27

    Fingerprint

    Piezoelectric devices
    Microphones
    Noise abatement
    Acoustic waves
    Acoustic noise
    Sensors

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

    Matsumoto, M., & Hashimoto, S. (2009). Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition. In Proceedings - IEEE International Symposium on Circuits and Systems (pp. 2141-2144). [5118219] https://doi.org/10.1109/ISCAS.2009.5118119

    Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition. / Matsumoto, Mitsuharu; Hashimoto, Shuji.

    Proceedings - IEEE International Symposium on Circuits and Systems. 2009. p. 2141-2144 5118219.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Matsumoto, M & Hashimoto, S 2009, Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition. in Proceedings - IEEE International Symposium on Circuits and Systems., 5118219, pp. 2141-2144, 2009 IEEE International Symposium on Circuits and Systems, ISCAS 2009, Taipei, 09/5/24. https://doi.org/10.1109/ISCAS.2009.5118119
    Matsumoto M, Hashimoto S. Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition. In Proceedings - IEEE International Symposium on Circuits and Systems. 2009. p. 2141-2144. 5118219 https://doi.org/10.1109/ISCAS.2009.5118119
    Matsumoto, Mitsuharu ; Hashimoto, Shuji. / Dependent noise reduction from an acoustical array combining microphones and a piezoelectric device under blind condition. Proceedings - IEEE International Symposium on Circuits and Systems. 2009. pp. 2141-2144
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